CVE-2021-20599
Vulnerability from cvelistv5
Published
2021-10-14 00:00
Modified
2024-08-03 17:45
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions "26" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password.
References
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://jvn.jp/vu/JVNVU98578731Third Party Advisory
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://www.cisa.gov/uscert/ics/advisories/icsa-21-287-03
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdfVendor Advisory
Impacted products
Mitsubishi Electric CorporationMELSEC iQ-R Series Safety CPU R08SFCPU
Mitsubishi Electric CorporationMELSEC iQ-R series Safety CPU R16SFCPU
Mitsubishi Electric CorporationMELSEC iQ-R series Safety CPU R32SFCPU
Mitsubishi Electric CorporationMELSEC iQ-R series Safety CPU R120SFCPU
Mitsubishi Electric CorporationMELSEC iQ-R Series SIL2 Process CPU R08PSFCPU
Mitsubishi Electric CorporationMELSEC iQ-R series SIL2 Process CPU R16PSFCPU
Mitsubishi Electric CorporationMELSEC iQ-R series SIL2 Process CPU R32PSFCPU
Mitsubishi Electric CorporationMELSEC iQ-R series SIL2 Process CPU R120PSFCPU
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:h:mitsubishielectric:melsec_iq-r08sfcpu:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "melsec_iq-r08sfcpu",
            "vendor": "mitsubishielectric",
            "versions": [
              {
                "status": "affected",
                "version": "-"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mitsubishielectric:r16sfcpu:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "r16sfcpu",
            "vendor": "mitsubishielectric",
            "versions": [
              {
                "status": "affected",
                "version": "-"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mitsubishielectric:r32sfcpu:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "r32sfcpu",
            "vendor": "mitsubishielectric",
            "versions": [
              {
                "status": "affected",
                "version": "-"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mitsubishielectric:r120sfcpu:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "r120sfcpu",
            "vendor": "mitsubishielectric",
            "versions": [
              {
                "status": "affected",
                "version": "-"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mitsubishielectric:r08psfcpu:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "r08psfcpu",
            "vendor": "mitsubishielectric",
            "versions": [
              {
                "status": "affected",
                "version": "-"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mitsubishielectric:r16psfcpu:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "r16psfcpu",
            "vendor": "mitsubishielectric",
            "versions": [
              {
                "status": "affected",
                "version": "-"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mitsubishielectric:r32psfcpu:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "r32psfcpu",
            "vendor": "mitsubishielectric",
            "versions": [
              {
                "status": "affected",
                "version": "-"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:mitsubishielectric:r120psfcpu:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "r120psfcpu",
            "vendor": "mitsubishielectric",
            "versions": [
              {
                "status": "affected",
                "version": "-"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-20599",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-04-22T20:51:10.357119Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:12:41.515Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:45:44.681Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdf"
          },
          {
            "tags": [
              "government-resource",
              "x_transferred"
            ],
            "url": "https://jvn.jp/vu/JVNVU98578731"
          },
          {
            "tags": [
              "government-resource",
              "x_transferred"
            ],
            "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-287-03"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series Safety CPU R08SFCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"26\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R series Safety CPU R16SFCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"26\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R series Safety CPU R32SFCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"26\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R series Safety CPU R120SFCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"26\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R Series SIL2 Process CPU R08PSFCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"11\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R series SIL2 Process CPU R16PSFCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"11\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R series SIL2 Process CPU R32PSFCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"11\" and prior"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-R series SIL2 Process CPU R120PSFCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Firmware versions \"11\" and prior"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions \"26\" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions \"11\" and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password."
            }
          ],
          "value": "Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions \"26\" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions \"11\" and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-319",
              "description": "CWE-319 Cleartext Transmission of Sensitive Information",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-04-18T05:28:04.068Z",
        "orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
        "shortName": "Mitsubishi"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdf"
        },
        {
          "tags": [
            "government-resource"
          ],
          "url": "https://jvn.jp/vu/JVNVU98578731"
        },
        {
          "tags": [
            "government-resource"
          ],
          "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-287-03"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
    "assignerShortName": "Mitsubishi",
    "cveId": "CVE-2021-20599",
    "datePublished": "2021-10-14T00:00:00",
    "dateReserved": "2020-12-17T00:00:00",
    "dateUpdated": "2024-08-03T17:45:44.681Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-20599\",\"sourceIdentifier\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"published\":\"2021-10-14T15:15:08.827\",\"lastModified\":\"2024-04-18T06:15:06.627\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions \\\"26\\\" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions \\\"11\\\" and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password.\"},{\"lang\":\"es\",\"value\":\"La vulnerabilidad de transmisi\u00f3n de texto claro de informaci\u00f3n sensible en las versiones de firmware \\\"26\\\" y anteriores de la CPU de seguridad R08/16/32/120SFCPU de la serie iQ-R de MELSEC y en la CPU de proceso SIL2 R08/16/32/120PSFCPU de la serie iQ-R de MELSEC, en todas sus versiones, permite que un atacante remoto no autenticado inicie sesi\u00f3n en un m\u00f3dulo de CPU objetivo obteniendo credenciales distintas de la contrase\u00f1a\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"source\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\"},\"exploitabilityScore\":3.9,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-319\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-639\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r08sfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"66D3AC7B-50E0-47D5-B0D1-07329D724EFE\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r08sfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B185323A-C9E3-48A0-AD28-DA7AC7846E18\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r16sfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AA81D5C7-46C8-4F0E-9550-D240DC0366F3\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r16sfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C4BBE066-33C4-4410-85D3-4B77B3773330\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r32sfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7FB53D61-6C69-4A4A-92B1-C10D0B8F0EC9\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r32sfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6F6304BE-DAEE-49AB-B0B1-CEE6878CBECE\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r120sfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8218130C-4E7D-4FB9-976B-2351977C82D4\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r120sfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"515BDC46-5A1C-4A94-816A-B4751BB1B58D\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r08psfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5A63D33D-302A-428C-986F-FC3F83CE9C86\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r08psfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EA37F2FC-8F75-4FEA-882D-87AD5CC1558E\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r16psfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FFB42739-E503-44B2-A020-0DB2B8791A81\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r16psfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"17AD5875-B7D7-498B-9484-23049753133E\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r32psfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3B1F532B-8EAF-4E66-9AF5-5EEFF5A0BC23\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r32psfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0EC2594C-6067-40BA-B8B2-AEC9B9C7922F\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:r120psfcpu_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B2C03EA2-34BF-4F86-A19C-2818788E092B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:r120psfcpu:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CA3FB3E1-D7D3-424B-A207-D3C6F4365D12\"}]}]}],\"references\":[{\"url\":\"https://jvn.jp/vu/JVNVU98578731\",\"source\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.cisa.gov/uscert/ics/advisories/icsa-21-287-03\",\"source\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\"},{\"url\":\"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-011_en.pdf\",\"source\":\"Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.